tlg2300 release notes
  ====================
  
  This is a v4l2/dvb device driver for the tlg2300 chip.
  
  
  current status
  ==============
  
  video
  	- support mmap and read().(no overlay)
  
  audio
  	- The driver will register a ALSA card for the audio input.
  
  vbi
  	- Works for almost TV norms.
  
  dvb-t
  	- works for DVB-T
  
  FM
  	- Works for radio.
  
  ---------------------------------------------------------------------------
  TESTED APPLICATIONS:
  
  -VLC1.0.4 test the video and dvb. The GUI is friendly to use.
  
  -Mplayer test the video.
  
  -Mplayer test the FM. The mplayer should be compiled with --enable-radio and
  	 --enable-radio-capture.
  	The command runs as this(The alsa audio registers to card 1):
  	#mplayer radio://103.7/capture/ -radio adevice=hw=1,0:arate=48000 \
  		-rawaudio rate=48000:channels=2
  
  ---------------------------------------------------------------------------
  KNOWN PROBLEMS:

  about preemphasis:
  	You can set the preemphasis for radio by the following command:
  	#v4l2-ctl -d /dev/radio0 --set-ctrl=pre_emphasis_settings=1
  
  	"pre_emphasis_settings=1" means that you select the 50us. If you want
  	to select the 75us, please use "pre_emphasis_settings=2"